Fixed-Pitch Feed Control Using 3-Axes Linear Interpolation - Mitsubishi Electric SV13/22 Programming Manual

7. POSITIONING CONTROL
7.11

Fixed-Pitch Feed Control Using 3-Axes Linear Interpolation

Servo
Instruction
FEED-3
[Control Details]
Positioning direction
Forward
direction
Z-axis
travel value
Reverse direction
Reverse direction
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Fixed-pitch feed control using 3-axes linear interpolation from the current stop
position with the 3-axes designated in the sequence program positioning
commands.
Fixed-pitch feed control using 3-axes linear interpolation uses the FEED-3 servo
instruction.
Number of
Positioning
Controllable
Method
Axes
∆
!
Incremental 3
(1) Positioning control from the current stop position (0) to the position which is the
resultant of the designated travel directions and travel values of the respective
axes.
(2) The travel direction is designated by the sign of the travel value, as follows:
• Positive travel value ..........forward direction (increased address)
• Negative travel value.........reverse direction (decreased address)
Forward direction
Commanded
speed
Y-axis travel value
X-axis travel value
Reverse direction
Fig. 7.25 Fixed-Pitch Feed Control Using 3-Axes Linear Interpolation
search engine
Items Set by Peripherals
Common Arc
∆ ∆
! !
Operation timing
V
Commanded speed
Forward
direction
DSFRP
instruction
∗
Indicates set data
7 − 57
Parameter Block
∆ ∆ ∆ ∆ ∆ ∆ ∆
Fixed-pitch feed using
FEED-3 instruction
Others
∆ ∆ ∆
OK
! : Must be set
∆ : Set if required
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